:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;color:#2a2924;background:#faf7ec;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;color-scheme:light;--bg: #faf7ec;--surface: #fffdf7;--surface-soft: #f1ede1;--surface-hover: #eee8d9;--ink: #2a2924;--muted: #726d60;--subtle: #857f71;--line: #e5dfd0;--accent: #a13d2d;--accent-hover: #8f3023;--accent-soft: #f2e6d9;--accent-ink: #fff9ee;--glass: #faf7ece8;--stage: #eee4cd;--green: #51775a;--shadow-sm: inset 0 1px 0 #ffffff6b, 0 1px 2px #3f2f170c, 0 3px 6px #3f2f1704;--shadow: 0 2px 4px #3f2f1703, 0 16px 36px -22px #3f2f1724;--spring: cubic-bezier(.16, 1, .3, 1);--ease: cubic-bezier(.2, 0, 0, 1);--press-duration: 90ms;--control-radius: 14px;--pattern-ink: #a68550;--pattern-opacity: .22}:root[data-theme=night]{color-scheme:dark;color:#eee9df;background:#17191b;--bg: #17191b;--surface: #242628;--surface-soft: #1e2022;--surface-hover: #303335;--ink: #eee9df;--muted: #aca89f;--subtle: #98948b;--line: #383b3c;--accent: #e7a17b;--accent-hover: #efb18d;--accent-soft: #39302a;--accent-ink: #2e211b;--glass: #1b1d1fe8;--stage: #272a2a;--green: #9ac7a3;--shadow-sm: inset 0 1px 0 #ffffff07, 0 1px 2px #0003, 0 4px 8px #0001;--shadow: 0 6px 18px #0001, 0 28px 60px -28px #0008;--pattern-ink: #d0b481;--pattern-opacity: .095}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px;scrollbar-gutter:stable}body{isolation:isolate;margin:0;min-width:280px;background:var(--bg);transition:background-color .26s var(--ease),color .26s var(--ease)}body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:var(--pattern-ink);opacity:var(--pattern-opacity);mask:url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20width='600'%20height='440'%20viewBox='0%200%20600%20440'%3e%3cdefs%3e%3cg%20id='cloud'%20fill='none'%20stroke='white'%20stroke-width='1.15'%20stroke-linecap='round'%20stroke-linejoin='round'%3e%3cpath%20d='M4%2062h88c17%200%2028-10%2028-23%200-12-10-21-22-21-5-16-24-23-38-12-13-9-32-2-36%2012-14-2-27%208-27%2020%200%2013%2011%2024%2025%2024'/%3e%3cpath%20d='M22%2051h68c10%200%2017-5%2017-13%200-7-6-12-13-12-8%200-13%205-13%2011%200%205%204%208%208%208M32%2042c-9%200-15-5-15-12%200-7%206-12%2013-12%206%200%2011%204%2011%2010%200%204-3%207-7%207'/%3e%3cpath%20d='M15%2073h49c8%200%2013%204%2013%209%200%205-4%208-9%208H45m44-17h55M-18%2051H4m127%200h26'/%3e%3cpath%20d='M59%2016c8-5%2019-2%2022%205M117%2073h14'/%3e%3c/g%3e%3c/defs%3e%3cuse%20href='%23cloud'%20transform='translate(64%2044)'/%3e%3cuse%20href='%23cloud'%20transform='translate(380%2086)%20scale(.78)'/%3e%3cuse%20href='%23cloud'%20transform='translate(234%20266)%20scale(.92)'/%3e%3cg%20fill='none'%20stroke='white'%20stroke-width='.85'%20stroke-linecap='round'%3e%3cpath%20d='M320%2067h22m-11-5v10M98%20296h16m-8-5v10M508%20332h22m-11-5v10'/%3e%3cpath%20d='M161%20203c13-4%2026-4%2039%200m-34%205c10-3%2019-3%2029%200M463%20228c10-3%2020-3%2030%200m-24%205c6-2%2012-2%2018%200'/%3e%3c/g%3e%3c/svg%3e") repeat 24px 16px / 600px 440px;-webkit-mask:url("data:image/svg+xml,%3csvg%20xmlns='http://www.w3.org/2000/svg'%20width='600'%20height='440'%20viewBox='0%200%20600%20440'%3e%3cdefs%3e%3cg%20id='cloud'%20fill='none'%20stroke='white'%20stroke-width='1.15'%20stroke-linecap='round'%20stroke-linejoin='round'%3e%3cpath%20d='M4%2062h88c17%200%2028-10%2028-23%200-12-10-21-22-21-5-16-24-23-38-12-13-9-32-2-36%2012-14-2-27%208-27%2020%200%2013%2011%2024%2025%2024'/%3e%3cpath%20d='M22%2051h68c10%200%2017-5%2017-13%200-7-6-12-13-12-8%200-13%205-13%2011%200%205%204%208%208%208M32%2042c-9%200-15-5-15-12%200-7%206-12%2013-12%206%200%2011%204%2011%2010%200%204-3%207-7%207'/%3e%3cpath%20d='M15%2073h49c8%200%2013%204%2013%209%200%205-4%208-9%208H45m44-17h55M-18%2051H4m127%200h26'/%3e%3cpath%20d='M59%2016c8-5%2019-2%2022%205M117%2073h14'/%3e%3c/g%3e%3c/defs%3e%3cuse%20href='%23cloud'%20transform='translate(64%2044)'/%3e%3cuse%20href='%23cloud'%20transform='translate(380%2086)%20scale(.78)'/%3e%3cuse%20href='%23cloud'%20transform='translate(234%20266)%20scale(.92)'/%3e%3cg%20fill='none'%20stroke='white'%20stroke-width='.85'%20stroke-linecap='round'%3e%3cpath%20d='M320%2067h22m-11-5v10M98%20296h16m-8-5v10M508%20332h22m-11-5v10'/%3e%3cpath%20d='M161%20203c13-4%2026-4%2039%200m-34%205c10-3%2019-3%2029%200M463%20228c10-3%2020-3%2030%200m-24%205c6-2%2012-2%2018%200'/%3e%3c/g%3e%3c/svg%3e") repeat 24px 16px / 600px 440px;transition:background-color .26s var(--ease),opacity .26s var(--ease)}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button,.text-link{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 17px;border:1px solid var(--line);border-radius:var(--control-radius);background:var(--surface);color:var(--ink);font-size:13px;line-height:1.4;font-weight:550;cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .26s var(--spring),background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),box-shadow .2s var(--ease),opacity .16s var(--ease)}button:active:not(:disabled),.text-link:active{transform:scale(.97);box-shadow:inset 0 1px 4px #00000010;transition-duration:var(--press-duration)}button:disabled{opacity:.42;cursor:not-allowed;box-shadow:none}button.primary{background:linear-gradient(180deg,#ffffff0c,#00000005),var(--accent);color:var(--accent-ink);border-color:transparent;box-shadow:inset 0 1px #ffffff26,0 2px 3px #6f2d1612,0 6px 12px -6px #6f2d1638}button[aria-pressed=true]:not(.primary){border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}a{color:inherit;text-decoration:none}a:not(.brand):not(.text-link):hover{color:var(--accent)}input:not([type=checkbox]):not([type=radio]):not([type=color]):not([type=file]),textarea{width:100%;min-height:44px;border:1px solid var(--line);border-radius:11px;background:var(--surface-soft);color:var(--ink);padding:12px 14px;font-size:14px;line-height:1.65;transition:background-color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)}input:not([type=color]):focus,textarea:focus{outline:none;border-color:var(--accent);background:var(--surface);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent)}input[type=color]{width:34px;height:30px;padding:3px;border:1px solid var(--line);border-radius:7px;background:var(--surface);cursor:pointer}input[type=color]::-webkit-color-swatch-wrapper{padding:0}input[type=color]::-webkit-color-swatch{border:0;border-radius:4px}input[type=radio]{accent-color:var(--accent)}textarea{display:block;resize:vertical}img{display:block;max-width:100%}svg.icon{flex:0 0 auto;overflow:visible}h1,h2,h3,p,figure{margin:0}h2{font-size:25px;font-weight:600;letter-spacing:-.8px}p{line-height:1.85}small{font-size:11px}.topbar{z-index:20;position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:24px;height:80px;padding:0 28px;background:color-mix(in srgb,var(--bg) 80%,transparent);border-bottom:1px solid transparent;backdrop-filter:blur(24px) saturate(140%);-webkit-backdrop-filter:blur(24px) saturate(140%);transition:background-color .24s var(--ease),border-color .24s,box-shadow .24s}.topbar[data-scrolled=true]{background:var(--glass);border-color:color-mix(in srgb,var(--line) 80%,transparent);box-shadow:0 4px 16px #30261604}.brand{display:flex;align-items:center;flex-shrink:0;gap:12px;font-weight:650;font-size:20px;letter-spacing:1.5px}.brand small{display:block;margin-top:4px;font-size:8px;font-weight:500;letter-spacing:2.25px;color:var(--muted)}.seal{display:grid;place-items:center;width:40px;height:44px;border-radius:10px 10px 12px 3px;background:var(--accent);color:var(--accent-ink);font-family:STKaiti,KaiTi,serif;font-size:29px;font-weight:400;box-shadow:inset 0 0 0 3px var(--accent),inset 0 0 0 4px #ffffff50,0 2px 3px #71301c14;transition:transform .28s var(--spring)}.brand:hover .seal{transform:rotate(-3deg)}.topbar nav{display:grid;grid-template-columns:repeat(3,1fr);position:relative;padding:4px;border:1px solid var(--line);border-radius:15px;background:color-mix(in srgb,var(--surface-soft) 65%,transparent)}.topbar nav:before{content:"";position:absolute;top:4px;bottom:4px;left:4px;width:calc((100% - 8px) / 3);border-radius:11px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .42s var(--spring),background-color .2s}.topbar nav[data-section=video]:before{transform:translate(100%)}.topbar nav[data-section=references]:before{transform:translate(200%)}.topbar nav a{position:relative;display:flex;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:0 20px;white-space:nowrap;color:var(--muted);font-size:13px;transition:color .16s}.topbar nav a[aria-current]{color:var(--ink)}.topbar nav .icon{width:16px;height:16px}.topbar-actions{display:flex;align-items:center;gap:22px}.prototype{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;font-size:11px;color:var(--muted)}.prototype i,.preview-ready i{width:5px;height:5px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px color-mix(in srgb,var(--green) 10%,transparent)}.theme-toggle{min-height:40px;gap:9px;border-radius:50px;padding:4px 12px 4px 5px;font-size:11px;box-shadow:none;background:transparent;border-color:transparent}.theme-orbit{position:relative;display:flex;align-items:center;justify-content:space-around;gap:2px;width:58px;height:30px;padding:3px;border:1px solid var(--line);border-radius:50px;background:var(--surface-soft)}.theme-orbit:before{content:"";position:absolute;top:3px;left:3px;height:22px;width:23px;border-radius:50%;background:var(--surface);box-shadow:0 1px 3px #2018051c;transition:transform .34s var(--spring),background-color .24s}.theme-toggle[aria-checked=false] .theme-orbit:before{transform:translate(27px)}.theme-orbit .icon{position:relative;color:var(--subtle);transition:color .18s}.theme-toggle[aria-checked=true] .theme-orbit .icon:first-child,.theme-toggle[aria-checked=false] .theme-orbit .icon:last-child{color:var(--ink)}main{max-width:1440px;padding:0 48px;margin:0 auto}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;padding:64px 0 48px}.eyebrow{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:10px;line-height:1.5;font-weight:550;letter-spacing:2.1px}.eyebrow-line{width:22px;height:1px;background:var(--accent)}.intro h1{margin-top:20px;font-size:clamp(36px,3.8vw,54px);font-weight:500;line-height:1.35;letter-spacing:-2px}.intro h1>span{color:var(--accent)}.intro-description{min-width:290px;padding-bottom:7px}.intro-description>p{font-size:15px;color:var(--muted);line-height:1.9}.intro-steps{display:flex;align-items:center;gap:15px;margin-top:24px;font-size:11px;letter-spacing:2px}.intro-steps .icon{color:var(--subtle)}.workspace-title,.workspace-title>div{display:flex;align-items:center;gap:12px}.workspace-title{justify-content:space-between;margin-bottom:18px}.workspace-title h2{font-size:17px;letter-spacing:-.3px}.section-index{color:var(--accent);font-size:11px;font-weight:600;letter-spacing:1px;font-variant-numeric:tabular-nums}.caption{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:11px;line-height:1.65}.workbench{display:grid;grid-template-columns:350px minmax(0,1fr);overflow:clip;border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow);transition:background-color .24s,border-color .24s}.design-panel{min-width:0;border-right:1px solid var(--line)}.tabs{position:relative;display:grid;grid-template-columns:1fr 1fr;margin:20px 22px 0;padding:4px;border-radius:12px;background:var(--surface-soft)}.tabs:before,.segmented:before{content:"";position:absolute;top:4px;bottom:4px;left:4px;width:calc((100% - 8px)/2);border-radius:9px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .35s var(--spring),background-color .2s}.tabs[data-active=lesson]:before,.segmented[data-active=night]:before{transform:translate(100%)}.tabs button,.segmented button,.tabs button[aria-pressed],.segmented button[aria-pressed]{z-index:1;min-height:38px;padding:8px 12px;font-size:12px;border:0;background:transparent;color:var(--muted);box-shadow:none}.tabs button[aria-pressed=true],.segmented button[aria-pressed=true]{color:var(--ink)}.panel-body{padding:22px;animation:panel-enter .25s var(--ease)}.panel-body>h2{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:26px 0 13px;font-size:13px;letter-spacing:0;font-weight:600}.panel-body>h2:first-child{margin-top:0}.panel-body>h2 span{font-size:10px;font-weight:400;color:var(--subtle)}.role-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}.role-grid>button{position:relative;flex-direction:column;gap:7px;min-width:0;padding:7px 4px 10px;border-radius:11px;font-size:11px;font-weight:500;background:var(--surface-soft);box-shadow:none}.role-grid>button[aria-pressed=true]{border-color:color-mix(in srgb,var(--accent) 70%,var(--line));box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 30%,transparent)}.role-art{width:100%;height:66px;overflow:hidden;border-radius:7px}:root[data-theme=night] .role-art{background:#d8c8a4}.role-art img{max-width:none;width:144%;height:100%;object-fit:cover;object-position:center;margin-left:-22%;opacity:.85;transition:transform .36s var(--spring),opacity .22s}.role-grid>button[aria-pressed=true] .role-art img{opacity:1;transform:scale(1.06)}.role-check{position:absolute;top:5px;right:5px;display:grid;place-items:center;width:14px;height:14px;border-radius:50%;background:var(--accent);color:var(--accent-ink);opacity:0;transform:scale(.5);transition:transform .25s var(--spring),opacity .16s}.role-grid>button[aria-pressed=true] .role-check{opacity:1;transform:scale(1)}.swatches,.learning-swatches{display:flex;align-items:center;gap:10px;padding:3px 0 6px}.swatches button,.learning-swatches button{min-height:32px;height:32px;width:32px;min-width:0;padding:0;border:3px solid var(--surface);border-radius:50%;color:#fff!important;box-shadow:0 0 0 1px var(--line);font-size:13px}.swatches button[aria-pressed=true],.learning-swatches button[aria-pressed=true]{border-color:var(--surface);box-shadow:0 0 0 1.5px var(--accent)}.color-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.color-fields label{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:62px;border:1px solid var(--line);border-radius:13px;padding:10px;color:var(--muted);font-size:11px;background:color-mix(in srgb,var(--surface-soft) 50%,transparent);transition:border-color .18s,background-color .18s}.color-fields label:focus-within{border-color:var(--accent);background:var(--surface)}.color-fields label small{display:block;margin-top:4px;color:var(--subtle);font-size:9px;letter-spacing:.4px;font-variant-numeric:tabular-nums}.color-fields input[type=color]{flex-shrink:0;width:28px;height:28px;border:0;padding:0;border-radius:8px;overflow:hidden}.color-fields input[type=color]::-webkit-color-swatch{border-radius:8px}.upload-button{width:100%;min-height:40px;margin-top:10px;font-size:11px;box-shadow:none}.upload-button small{margin-left:auto;color:var(--subtle);font-size:9px;font-weight:400}.segmented{display:grid;grid-template-columns:1fr 1fr;position:relative;padding:4px;border-radius:12px;background:var(--surface-soft)}.quiet-note{margin-top:15px;color:var(--subtle);font-size:10px;line-height:1.8}.design-preview{position:relative;display:flex;flex-direction:column;min-width:0;padding:25px 32px 24px;background:radial-gradient(ellipse at 50% 28%,color-mix(in srgb,var(--stage) 38%,var(--surface)),color-mix(in srgb,var(--surface-soft) 48%,var(--surface)) 85%)}.preview-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px;color:var(--muted);font-size:11px}.preview-ready{display:inline-flex;align-items:center;gap:7px;font-size:10px}.preview-ready[data-ready=false]{opacity:.6}.preview-ready[data-ready=false] i{background:var(--subtle)}.preview-canvas{position:relative;width:100%;aspect-ratio:1000 / 620;overflow:hidden;border-radius:10px;background:var(--stage)}.preview-canvas canvas{position:absolute;inset:0;display:block;width:100%;height:100%}.design-preview>.preview-canvas{margin:auto 0;border:1px solid color-mix(in srgb,var(--line) 80%,var(--accent));box-shadow:0 2px 5px #3f2f1708,0 22px 30px -22px #3f2f1730;transform:perspective(1100px) translateY(0) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));transition:transform .46s var(--spring),box-shadow .4s var(--ease)}.design-preview>.preview-canvas:after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at var(--light-x, 50%) var(--light-y, 50%),#fff8df20,transparent 65%);opacity:0;transition:opacity .35s var(--ease)}.design-preview[data-floating=true]>.preview-canvas{transform:perspective(1100px) translateY(-3px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));box-shadow:0 5px 10px #3f2f1708,0 28px 40px -25px #3f2f1745}.design-preview[data-floating=true]>.preview-canvas:after{opacity:1}.design-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:21px}.design-caption .eyebrow{font-size:8px;letter-spacing:2px}.design-caption strong{display:block;margin-top:6px;font-size:22px;font-weight:500;letter-spacing:2px}.design-colors{display:flex;align-items:center;gap:6px}.design-colors>span{width:14px;height:14px;border-radius:50%;box-shadow:inset 0 0 0 1px #0000000a}.design-colors small{color:var(--muted);padding-left:6px;font-size:10px}.preview-footer{margin:8px 0 20px;font-size:11px;color:var(--muted)}.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.design-preview>.button-row{padding-top:18px;border-top:1px solid var(--line);justify-content:space-between}.design-preview>.button-row button{font-size:12px}.text-link{border:none;background:transparent;box-shadow:none;color:var(--accent);font-size:12px;padding:10px 0 10px 12px}.text-link .icon{transition:transform .26s var(--spring)}.savebar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:14px;border:1px solid var(--line);border-radius:16px;padding:12px 16px;background:color-mix(in srgb,var(--surface) 75%,transparent);box-shadow:inset 0 1px #ffffff16}.savebar>label{display:flex;align-items:center;gap:10px;flex:1;min-width:200px;color:var(--muted);font-size:11px}.savebar>label>span{white-space:nowrap}.savebar input:not([type]){max-width:230px;min-height:40px;font-size:12px;padding:8px 10px;background:transparent;border-color:transparent}.savebar button{min-height:38px;border-radius:10px;padding:8px 12px;font-size:11px}.savebar button:not(.primary){background:transparent;border-color:transparent;box-shadow:none}.video-section,.reference-section{margin-top:88px}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:24px}.section-title :is(h1,h2){margin-top:12px;line-height:1.45}.status-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:30px;padding:7px 12px;font-size:10px;color:var(--muted);white-space:nowrap}.status-pill:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--subtle)}.studio-grid{display:grid;grid-template-columns:1fr 1fr;align-items:start;gap:22px}.studio-editor,.video-result{min-width:0;border:1px solid var(--line);border-radius:24px;background:var(--surface);padding:28px;transition:background-color .24s,border-color .24s}.studio-editor>label:not(.demo-toggle){display:block;margin-bottom:22px;font-size:12px;font-weight:550}.studio-editor>label input,.studio-editor>label textarea{margin-top:9px;font-weight:400}.studio-editor>label textarea[aria-label=自定义剧本]{background:color-mix(in srgb,var(--surface-soft) 65%,var(--surface));line-height:1.95}.studio-editor>.button-row{margin-top:10px}.studio-editor>.button-row button{font-size:11px;padding:8px 12px;min-height:38px}.reference-input{display:grid;grid-template-columns:108px minmax(0,1fr);column-gap:16px;margin-top:25px;padding-top:25px;border-top:1px solid var(--line)}.reference-input h3{grid-column:1 / -1;font-size:12px;font-weight:550;margin-bottom:13px}.reference-thumb{grid-row:span 2;align-self:start;overflow:hidden;border:1px solid var(--line);border-radius:9px;background:var(--surface-soft);aspect-ratio:1}.reference-thumb>.preview-canvas,.reference-thumb>img{width:100%;height:100%;object-fit:contain}.reference-thumb>.preview-canvas{border-radius:0;aspect-ratio:auto}.reference-thumb canvas{object-fit:contain}.reference-thumb>p{padding:20px 10px;font-size:11px;color:var(--muted)}.reference-input>.caption{display:block;align-self:center;font-size:11px}.reference-input .button-row{align-self:start;gap:6px;margin-top:8px}.reference-input .button-row button{min-height:32px;border-radius:8px;padding:6px 8px;font-size:10px;box-shadow:none}.reference-input>.quiet-note{grid-column:1 / -1}.demo-toggle{display:flex;align-items:center;gap:10px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line);font-size:12px;font-weight:550;cursor:pointer}.demo-toggle input{flex-shrink:0;appearance:none;position:relative;width:38px;height:23px;border:1px solid var(--line);border-radius:30px;margin:0;background:var(--surface-hover);cursor:pointer;transition:background-color .18s,border-color .18s}.demo-toggle input:after{content:"";position:absolute;top:2px;left:2px;height:17px;width:17px;border-radius:50%;background:var(--surface);box-shadow:0 1px 3px #0002;transition:transform .3s var(--spring)}.demo-toggle input:checked{background:var(--accent);border-color:var(--accent)}.demo-toggle input:checked:after{transform:translate(15px);background:var(--accent-ink)}.demo-toggle input:disabled{opacity:.45;cursor:not-allowed}.mode-note{font-size:10px;color:var(--muted);margin:12px 0 18px}.studio-editor>.button-row .primary{min-height:44px;padding:10px 20px;font-size:12px}.task-status{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:10px;margin-top:16px}.task-status .spinner{width:12px;height:12px;border:1.5px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .85s linear infinite}.error,.stale-note{border-radius:10px;margin-top:14px;padding:12px 14px;font-size:12px;background:var(--accent-soft);color:var(--accent)}.video-result{position:sticky;top:112px;padding:12px;box-shadow:var(--shadow)}.video-empty{display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:360px;padding:32px 20px;border:1px solid var(--line);border-radius:13px;background:radial-gradient(ellipse at 50% 30%,color-mix(in srgb,var(--stage) 55%,var(--surface)),var(--surface-soft));text-align:center}.video-empty>span{display:grid;place-items:center;width:64px;height:72px;margin-bottom:28px;border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:18px 18px 20px 5px;font-family:STKaiti,KaiTi,serif;font-size:41px;color:var(--accent);background:color-mix(in srgb,var(--surface) 60%,transparent);box-shadow:0 12px 25px -18px #53392155}.video-empty h3{font-size:17px;font-weight:500;letter-spacing:.2px}.video-empty p{margin-top:15px;color:var(--muted);font-size:11px;line-height:1.9}.video-empty small{margin-top:30px;font-size:8px;letter-spacing:2px;color:var(--subtle)}.video-result video{display:block;width:100%;max-height:60vh;background:#181b1d;border-radius:12px}.video-result[data-state=ready] video{animation:panel-enter .3s var(--ease)}.generation-steps{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:30px;color:var(--subtle);font-size:10px}.generation-steps i{width:24px;height:1px;background:var(--line)}.generation-steps span{transition:color .16s}.generation-steps span[data-active=true]{color:var(--accent)}.result-origin{padding:4px 5px 14px;font-size:11px;color:var(--muted)}.video-result>.button-row{margin:16px 8px;justify-content:space-between}.video-result>.button-row button{font-size:11px}.snapshot{margin:0 8px;border-top:1px solid var(--line);padding:14px 0 2px;font-size:11px;color:var(--muted)}summary{cursor:pointer;padding:5px 0}.snapshot p{margin-top:12px}.snapshot pre{font:inherit;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}.reference-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.reference-card{position:relative;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 2px 3px #3f2f1704;transform:perspective(1000px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));transition:transform .45s var(--spring),box-shadow .35s var(--ease),border-color .25s,background-color .24s}.reference-card[data-floating=true]{transform:perspective(1000px) translateY(-3px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));box-shadow:0 16px 32px -20px #3f2f1735;border-color:color-mix(in srgb,var(--accent) 20%,var(--line))}.reference-open{position:relative;display:block;width:100%;aspect-ratio:4 / 3;min-height:0;padding:0;border:0;border-radius:0;background:#eee6d6;overflow:hidden;box-shadow:none}.reference-open img{width:100%;height:100%;object-fit:contain;transition:transform .55s var(--spring)}.image-expand{position:absolute;display:grid;place-items:center;width:32px;height:32px;right:10px;bottom:10px;background:#fffdf5d9;color:#514638;border:1px solid #ffffff9c;border-radius:50%;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);opacity:0;transform:translateY(5px);transition:transform .3s var(--spring),opacity .18s}.reference-open:focus-visible .image-expand{opacity:1;transform:none}.reference-card>div{padding:18px}.reference-card h3{margin-bottom:9px;font-size:14px;line-height:1.6;font-weight:550}.reference-card p{font-size:11px;color:var(--muted);line-height:1.85}.reference-card small{display:block;margin-top:14px;font-size:10px;color:var(--subtle);line-height:1.6}.reference-links{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:9px;color:var(--muted)}.reference-links a{min-height:24px;display:inline-flex;align-items:center}.about{margin:80px 0 60px;padding:42px 0 0;border-top:1px solid var(--line);text-align:center}.about .eyebrow{justify-content:center;font-size:8px}.about h2{margin-top:20px;font-size:23px;font-weight:500}.about>p:last-child{max-width:600px;margin:16px auto 0;font-size:12px;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:20px;max-width:1440px;margin:0 auto;padding:22px 48px;border-top:1px solid var(--line);color:var(--subtle);font-size:10px;line-height:1.7}dialog{width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 48px);padding:28px;border:1px solid var(--line);border-radius:24px;background:var(--surface);color:var(--ink);box-shadow:0 24px 100px #0004}dialog[open]{animation:dialog-enter .28s var(--spring)}dialog::backdrop{background:#16140e5e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fade-in .2s var(--ease)}.confirm-dialog h2{font-size:19px;line-height:1.6}.confirm-dialog p{margin-top:12px;font-size:13px;color:var(--muted)}.confirm-dialog .button-row{justify-content:flex-end;margin-top:28px}.toast{z-index:50;position:fixed;left:50%;bottom:28px;display:flex;align-items:center;gap:20px;width:max-content;max-width:calc(100vw - 32px);padding:12px 12px 12px 20px;border:1px solid var(--line);border-radius:15px;background:var(--glass);color:var(--ink);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 8px 40px #0002;font-size:12px;line-height:1.8;transform:translate(-50%);animation:toast-enter .32s var(--spring)}.toast button{flex-shrink:0;min-height:32px;width:32px;padding:0;border:0;border-radius:50%;background:transparent;box-shadow:none}.learning-panel{font-size:12px;animation:panel-enter .26s var(--ease)}.learning-panel h2{font-size:18px;line-height:1.6;margin:20px 0 12px;letter-spacing:-.5px}.learning-panel h3{font-size:15px;line-height:1.6;margin:12px 0 8px}.learning-panel p{color:var(--muted)}.learning-modes,.learning-chip-row,.learning-navigation,.learning-finish{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:15px}.learning-panel button{min-height:36px;padding:8px 10px;border-radius:9px;font-size:11px;box-shadow:none}.learning-welcome{padding-top:15px}.learning-welcome ol{padding-left:23px;margin:20px 0;line-height:2.6;color:var(--muted)}.learning-welcome li::marker{color:var(--accent);font-size:10px}.learning-progress{display:flex;align-items:center;gap:12px;margin:18px 0;font-size:11px}.learning-progress progress{flex:1;width:100%;height:4px;accent-color:var(--accent);border:0;border-radius:4px}progress::-webkit-progress-bar{border-radius:4px;background:var(--surface-soft)}progress::-webkit-progress-value{border-radius:4px;background:var(--accent);transition:width .3s var(--spring)}.learning-steps{display:grid;grid-template-columns:1fr 1fr;gap:7px}.learning-steps button{display:block;text-align:left;font-size:10px}.learning-steps button[aria-current]{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.learning-steps small{display:block;color:var(--subtle);font-size:9px;margin-top:4px}.learning-template-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0}.learning-card{margin-top:18px}.learning-card-tag{display:inline-block;color:var(--accent);background:var(--accent-soft);padding:4px 7px;border-radius:5px;font-size:9px}.learning-study,.learning-photo,.learning-line-study,.learning-cutout{margin:18px 0}.learning-study-image{position:relative;background:#ede3ce;border-radius:10px;overflow:hidden}.learning-study-image svg{display:block;width:100%;height:290px}.learning-image-status{position:absolute;left:12px;top:12px;color:#514638;font-size:10px}.learning-study .learning-chip-row{margin:12px 0}.learning-study figcaption,.learning-photo figcaption,.learning-caption{color:var(--muted);font-size:10px;line-height:1.8}.learning-study>a{display:inline-block;margin-top:10px;font-size:11px;color:var(--accent)}.learning-photo img{height:230px;width:100%;object-fit:contain;border-radius:10px;background:#ede3ce}.learning-photo figcaption{margin-top:9px}.learning-line-study>svg,.learning-cutout>svg{display:block;width:100%;border-radius:10px;background:var(--surface-soft);margin-bottom:12px}.learning-line-study .learning-chip-row,.learning-cutout .learning-chip-row{margin-bottom:10px}.learning-sources{margin-top:18px;border-top:1px solid var(--line);padding-top:10px;font-size:10px;color:var(--muted)}.learning-sources a,.learning-sources small{display:block;margin-top:8px;line-height:1.7}.learning-sources a{color:var(--accent)}.learning-sources small{font-size:9px}.learning-checklist{list-style:none;padding:0;margin:18px 0;font-size:11px;line-height:2;color:var(--muted)}.learning-finish{border-top:1px solid var(--line);padding-top:14px;margin-top:18px}.learning-question{border:1px solid var(--line);border-radius:10px;margin:18px 0;padding:14px}.learning-question legend{padding:0 5px;font-size:11px}.learning-question label{display:flex;align-items:center;gap:6px;margin:8px 0;font-size:11px}.learning-question p{margin-top:12px;font-size:10px}.learning-question .learning-correct{color:var(--green)}.learning-question .learning-retry{color:var(--accent)}.learning-controls>label{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;color:var(--muted);font-size:11px}.learning-controls .learning-swatches button{padding:0;min-height:30px;width:30px;height:30px;border-radius:50%}@media(hover:hover)and (pointer:fine){button:hover:not(:disabled){background-color:var(--surface-hover);border-color:color-mix(in srgb,var(--line) 75%,var(--muted));box-shadow:inset 0 1px #ffffff18,0 2px 5px #3f2f1708}button.primary:hover:not(:disabled){background-color:var(--accent-hover);border-color:transparent;box-shadow:inset 0 1px #ffffff26,0 3px 6px #8e37221a,0 8px 16px -8px #8e372240}button:active:not(:disabled){transform:scale(.975);box-shadow:inset 0 1px 3px #00000014}.theme-toggle:hover:not(:disabled){background:transparent;border-color:transparent;box-shadow:none}button[aria-pressed=true]:hover:not(:disabled){background:var(--accent-soft);border-color:var(--accent)}.tabs button:hover:not(:disabled),.segmented button:hover:not(:disabled){background:transparent;box-shadow:none;transform:none}.role-grid button:hover .role-art img{transform:scale(1.09)}.swatches button:hover,.learning-swatches button:hover{box-shadow:0 0 0 2px var(--accent)}.text-link:hover .icon{transform:translate(3px)}.reference-open:hover:not(:disabled){transform:none;box-shadow:none;background:#eee6d6}.reference-open:hover img{transform:scale(1.025)}.reference-open:hover .image-expand{opacity:1;transform:none}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes icon-arrive{0%{opacity:.3;transform:rotate(-30deg) scale(.85)}to{opacity:1;transform:none}}@keyframes dialog-enter{0%{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}@keyframes panel-enter{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes toast-enter{0%{opacity:0;transform:translate(-50%,12px) scale(.98)}to{opacity:1;transform:translate(-50%) scale(1)}}@media(min-width:1400px){.workbench{grid-template-columns:380px minmax(0,1fr)}.design-preview{padding:28px 40px}.panel-body{padding:26px}.tabs{margin:24px 26px 0}.role-art{height:76px}}@media(max-width:1100px){main{padding:0 30px}.topbar{padding:0 26px;gap:16px}.prototype{display:none}.topbar nav a{padding:0 14px}.workbench{grid-template-columns:310px minmax(0,1fr)}.panel-body{padding:20px}.tabs{margin:20px 20px 0}.design-preview{padding:24px}.role-grid{gap:6px}.role-art{height:58px}.swatches{gap:9px}.swatches button{width:30px;height:30px;min-height:30px}.savebar{flex-wrap:wrap;gap:10px}.savebar>label{flex:1 1 220px}.savebar .button-row{gap:2px}.studio-editor{padding:22px}.reference-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reference-open{aspect-ratio:8 / 5}footer{padding-inline:30px}}@media(max-width:760px){html{scroll-padding-top:138px}.topbar{height:auto;min-height:120px;flex-wrap:wrap;gap:12px;padding:12px 20px}.brand{gap:9px;font-size:17px}.brand small{font-size:7px;letter-spacing:1.6px}.seal{width:32px;height:36px;font-size:23px;border-radius:8px 8px 10px 3px}.theme-toggle{min-height:36px;padding:2px 0 2px 3px;font-size:11px}.theme-toggle .icon{width:13px;height:13px}.topbar nav{order:3;width:100%;border-radius:12px;padding:3px}.topbar nav:before{inset:3px auto 3px 3px;width:calc((100% - 6px) / 3);border-radius:9px}.topbar nav a{min-height:36px;padding:0 8px;font-size:11px;gap:6px}.topbar nav .icon{width:14px;height:14px}main{padding:0 20px}.intro{padding:34px 0 32px;gap:20px}.intro h1{margin-top:14px;font-size:35px;letter-spacing:-1.2px}.intro .eyebrow{font-size:8px;letter-spacing:1.6px}.intro-description{min-width:0}.intro-description>p{font-size:12px}.intro-steps{margin-top:18px;gap:8px;font-size:9px}.workspace-title{margin-bottom:13px}.workspace-title h2{font-size:15px}.workspace-title>.caption{font-size:9px}.workspace-title .caption .icon{display:none}.workbench{grid-template-columns:1fr;border-radius:18px}.design-preview{order:-1;padding:20px;border-bottom:1px solid var(--line)}.design-panel{border-right:0}.preview-heading{margin-bottom:16px;font-size:10px}.preview-ready{font-size:9px}.design-caption{padding-top:17px}.design-caption strong{font-size:20px}.design-caption .eyebrow{font-size:7px}.preview-footer{font-size:10px;margin:8px 0 14px}.design-preview>.button-row{padding-top:12px}.design-preview>.button-row button,.text-link{font-size:11px}.role-art{height:90px}.role-grid{gap:10px}.role-grid>button{font-size:12px}.swatches{gap:13px}.swatches button{width:34px;height:34px;min-height:34px}.savebar{padding:14px;border-radius:14px}.savebar>label{flex-basis:100%;min-width:0}.savebar input:not([type]){max-width:none}.savebar>.button-row{display:grid;grid-template-columns:repeat(4,1fr);width:100%;gap:5px}.savebar button{min-height:40px;padding:8px 6px;font-size:10px}.savebar button .icon{display:none}.video-section,.reference-section{margin-top:54px}.section-title{gap:14px;margin-bottom:18px}.section-title :is(h1,h2){font-size:22px;margin-top:9px}.section-title .eyebrow{font-size:8px;letter-spacing:1.5px}.status-pill{padding:6px 9px;font-size:9px}.studio-grid{grid-template-columns:1fr;gap:16px}.studio-editor,.video-result{border-radius:18px}.studio-editor{padding:20px}.video-result{position:static}.video-empty{min-height:310px;padding:26px 16px}.reference-section .section-title{display:block}.reference-section .section-title>.caption{margin-top:12px;font-size:10px}.reference-grid{gap:14px}.reference-card>div{padding:16px}.reference-card h3{font-size:13px}.image-expand{opacity:1;transform:none}.about{margin:54px 0 34px;padding-top:30px}.about h2{font-size:19px;line-height:1.6}.about>p:last-child{font-size:11px}footer{padding:20px;flex-direction:column;gap:5px;font-size:9px}}@media(max-width:520px){.intro{display:block}.intro h1{font-size:35px;line-height:1.4}.intro-description{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-top:19px;padding:0}.intro-description>p{font-size:11px;line-height:1.9}.intro-steps{gap:6px;margin:0 0 3px;letter-spacing:0;font-size:9px}.intro-steps .icon{width:10px;height:10px}.role-art{height:72px}.design-preview{padding:17px}.panel-body{padding:20px 17px}.tabs{margin:18px 17px 0}.swatches{justify-content:space-between;gap:8px}.section-title{flex-wrap:wrap}.section-title :is(h1,h2){font-size:21px}.status-pill{margin-top:1px}.reference-grid{grid-template-columns:1fr}.reference-open{aspect-ratio:5 / 3}.reference-card>div{padding:20px}.reference-card h3{font-size:15px}.reference-card p{font-size:12px}.reference-links{font-size:10px}.reference-input{grid-template-columns:80px minmax(0,1fr);column-gap:12px}.reference-input .button-row button{font-size:9px}.confirm-dialog{padding:24px}.confirm-dialog .button-row{flex-wrap:nowrap}.confirm-dialog .button-row button{font-size:11px}.toast{bottom:18px;font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.design-preview>.preview-canvas,.reference-card,button:active:not(:disabled){transform:none!important}}[hidden]{display:none!important}.site-layout{min-height:calc(100dvh - 148px)}.site-layout>main{view-transition-name:workspace}.public-main{max-width:1536px;padding-inline:clamp(24px,4.4vw,72px)}.with-sidebar{display:grid;grid-template-columns:236px minmax(0,1fr)}.app-sidebar{position:sticky;top:80px;height:calc(100dvh - 80px);display:flex;flex-direction:column;padding:30px 18px 24px;border-right:1px solid var(--line);background:color-mix(in srgb,var(--surface) 28%,var(--bg))}.sidebar-back{display:flex;align-items:center;gap:9px;padding:7px 14px;font-size:12px;color:var(--muted)}.sidebar-back .icon{transform:rotate(180deg);transition:translate .18s var(--ease)}.sidebar-back:hover .icon{translate:-3px 0}.app-sidebar>.eyebrow{margin:35px 14px 17px;font-size:8px;letter-spacing:1.65px}.app-sidebar nav{position:relative;display:grid;gap:6px}.app-sidebar nav:before{content:"";position:absolute;inset:0 0 auto;height:70px;border:1px solid var(--line);border-radius:15px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .36s var(--spring),background-color .24s}.app-sidebar nav[data-section=lesson]:before{transform:translateY(76px)}.app-sidebar nav[data-section=video]:before{transform:translateY(152px)}.app-sidebar nav[data-section=references]:before{transform:translateY(228px)}.app-sidebar nav a{position:relative;display:flex;gap:12px;align-items:center;height:70px;padding:12px;border-radius:15px;font-size:13px;transition:color .18s,background-color .18s}.app-sidebar nav a>.icon{margin-left:auto;opacity:0;transform:translate(-4px);transition:opacity .18s,transform .26s var(--spring)}.app-sidebar nav a[aria-current]{color:var(--accent)}.app-sidebar nav a[aria-current]>.icon{opacity:1;transform:none}.app-sidebar nav a:not([aria-current]):hover{background:color-mix(in srgb,var(--surface-hover) 55%,transparent)}.app-sidebar nav small{display:block;font-size:9px;margin-top:5px;color:var(--subtle)}.sidebar-icon{display:grid;place-items:center;width:34px;height:36px;flex-shrink:0;border-radius:10px;background:color-mix(in srgb,var(--surface-soft) 70%,transparent);transition:color .18s,background-color .22s,box-shadow .22s}.app-sidebar nav a[aria-current] .sidebar-icon{color:var(--accent-ink);background:var(--accent);box-shadow:inset 0 1px #fff3,0 2px 4px #3c261510}.sidebar-note{display:flex;gap:10px;margin:auto 12px 24px;padding-top:40px;color:var(--muted)}.sidebar-note p{font-size:11px;line-height:1.6}.sidebar-note small{display:block;margin-top:7px;font-size:10px;color:var(--subtle);line-height:1.8}.sidebar-about{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:20px 14px 0;color:var(--muted);font-size:11px}.tool-main{display:flex;flex-direction:column;width:100%;min-width:0;max-width:none;margin:0;padding:32px 36px 60px}.tool-main>.route-view,.tool-main>.savebar{width:100%;max-width:1920px}.tool-page-heading{margin-bottom:30px}.tool-page-heading h1{font-size:36px;font-weight:550;letter-spacing:-1.4px;margin:13px 0 10px}.tool-page-heading>p:last-child{color:var(--muted);font-size:13px}.tool-main .video-section,.tool-main .reference-section{margin:0}.tool-main .section-title{margin-bottom:30px}.tool-main .section-title :is(h1,h2){font-size:32px;font-weight:550}.tool-main .workbench{grid-template-columns:306px minmax(0,1fr)}.tool-main .design-preview{--preview-width: min(100%, calc(clamp(300px, 42dvh, 560px) * 1.612903));padding:26px}.tool-main .design-preview>:is(.preview-heading,.preview-canvas,.design-caption,.preview-footer,.button-row){width:var(--preview-width);margin-inline:auto}.tool-main .design-preview>.preview-canvas{flex-shrink:0;margin-block:0}.tool-main .design-panel .panel-body{padding:26px 22px}.tool-main .role-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.tool-main .role-grid>button{display:flex;flex-direction:row;justify-content:flex-start;gap:9px;min-height:88px;padding:6px 10px 6px 6px;border-radius:15px;background:var(--surface)}.tool-main .role-grid>button[aria-pressed=true]{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 65%,var(--line));box-shadow:inset 0 1px #ffffff20}.tool-main .role-art{width:46px;height:72px;flex-shrink:0;border-radius:9px;background:#f2e6c9}.role-art>.preview-canvas{width:100%;height:100%;aspect-ratio:auto;border-radius:0;background:transparent}.role-art canvas{object-fit:contain;transition:transform .3s var(--spring)}.role-grid>button[aria-pressed=true] .role-art canvas{transform:scale(1.06)}.tool-main .role-check{top:7px;right:7px;width:13px;height:13px}.tool-main .panel-body>h2{margin-top:28px;font-size:12px}.tool-main .panel-body>h2:first-child{margin-top:0}.tool-main .design-preview{background:radial-gradient(ellipse at 50% 30%,color-mix(in srgb,var(--stage) 65%,var(--surface)),var(--surface-soft))}.tool-main .design-preview>.preview-canvas{border-radius:16px;box-shadow:0 1px 2px #3f2f1708,0 22px 44px -26px #3f2f173d}.tool-main .design-preview>.button-row{padding-top:22px}.tool-main .design-preview>.button-row button{border-radius:50px;padding-inline:20px}.tool-main .upload-button{min-height:44px;border-style:dashed;border-color:color-mix(in srgb,var(--muted) 28%,var(--line));background:transparent}.tool-main .reference-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-main .studio-grid{grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:24px}.tool-main>.savebar{order:2;margin-top:20px}.tool-main .savebar{border-radius:20px;padding:15px 18px;box-shadow:none}.tool-main .savebar .primary{border-radius:50px;min-height:40px;padding-inline:17px}.tool-footer{max-width:1992px;margin-left:236px;padding-inline:36px}.route-view:not([hidden]){animation:route-enter .28s var(--ease)}@keyframes route-enter{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@supports (view-transition-name: workspace){.route-view:not([hidden]){animation:none}}::view-transition{pointer-events:none}::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}::view-transition-group(workspace){animation-duration:.3s;animation-timing-function:cubic-bezier(.2,0,0,1)}::view-transition-old(workspace){animation:workspace-out .11s ease-out both}::view-transition-new(workspace){animation:workspace-in .3s cubic-bezier(.16,1,.3,1) both}@keyframes workspace-out{to{opacity:0}}@keyframes workspace-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.topbar .direct-nav{grid-template-columns:repeat(4,1fr);border-radius:50px;padding:5px;background:color-mix(in srgb,var(--surface-soft) 70%,transparent);border-color:color-mix(in srgb,var(--line) 75%,transparent);box-shadow:inset 0 1px 2px #30261603}.topbar .direct-nav:before{top:5px;bottom:5px;left:5px;width:calc((100% - 10px)/4);border:1px solid color-mix(in srgb,var(--line) 65%,transparent);border-radius:50px;box-shadow:0 1px 3px #2d24150b,0 3px 8px #2d241505;transition:transform .35s var(--spring),opacity .18s,background-color .24s}.topbar .direct-nav[data-section=home]:before{opacity:0}.topbar .direct-nav[data-section=design]:before{transform:translate(0)}.topbar .direct-nav[data-section=lesson]:before{transform:translate(100%)}.topbar .direct-nav[data-section=video]:before{transform:translate(200%)}.topbar .direct-nav[data-section=references]:before{transform:translate(300%)}.topbar .direct-nav a{min-height:38px;padding:0 20px;border-radius:50px;transition:color .15s,transform .22s var(--spring)}.topbar .direct-nav a[aria-current]{font-weight:600}.topbar .direct-nav a:active{transform:scale(.97)}.page-button{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:52px;padding:15px 24px;border-radius:50px;font-size:13px;font-weight:600;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .28s var(--spring),background-color .18s,box-shadow .22s,border-color .18s}.page-button.primary{background:linear-gradient(180deg,#ffffff0c,#00000006),var(--accent);color:var(--accent-ink);border-color:transparent;box-shadow:inset 0 1px #ffffff24,0 2px 3px #6f2d1612,0 8px 16px -8px #6f2d1640}.page-button.primary:hover{color:var(--accent-ink)!important;background-color:var(--accent-hover);box-shadow:inset 0 1px #ffffff24,0 2px 3px #6f2d1612,0 10px 20px -7px #6f2d1650}.page-button .icon{transition:transform .28s var(--spring)}.page-button.primary:hover .icon{transform:translate(3px)}.page-button:active{transform:scale(.975)!important;box-shadow:inset 0 1px 3px #0001;transition-duration:80ms}.page-button.secondary{background:color-mix(in srgb,var(--surface) 85%,transparent);box-shadow:inset 0 1px #ffffff20,var(--shadow-sm)}.page-button.secondary:hover{color:var(--ink)!important;border-color:color-mix(in srgb,var(--muted) 35%,var(--line));background:var(--surface)}@media(max-width:1200px){.topbar .prototype{display:none}}@media(max-width:1100px){.with-sidebar{grid-template-columns:204px minmax(0,1fr)}.app-sidebar{padding-inline:12px}.app-sidebar nav a{padding-inline:9px;gap:7px}.tool-footer{margin-left:204px;padding-inline:24px}.tool-main{padding:30px 24px}.tool-main .workbench{grid-template-columns:268px minmax(0,1fr)}.tool-main .design-preview{padding:20px}.tool-main .design-panel .panel-body{padding:22px 18px}.tool-main .reference-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-main .studio-grid{grid-template-columns:1fr}.tool-main .video-result{position:static}}@media(max-width:900px){.topbar .direct-nav a{padding:0 11px;font-size:12px;gap:6px}.topbar .direct-nav .icon{width:14px;height:14px}}@media(max-width:850px){.tool-main .workbench{grid-template-columns:1fr}.tool-main .design-preview{order:-1;border-bottom:1px solid var(--line)}.tool-main .design-panel{border:0}.tool-main .role-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:760px){.topbar .direct-nav{padding:4px}.topbar .direct-nav:before{inset:4px auto 4px 4px;width:calc((100% - 8px)/4)}.topbar .direct-nav a{padding:0 6px;font-size:11px;min-height:44px;gap:5px}.with-sidebar{display:block}.app-sidebar{display:none}.tool-main{padding:28px 20px 45px}.tool-footer{margin-left:0;padding-inline:20px}.tool-page-heading{margin-bottom:25px}.tool-page-heading h1{font-size:29px}.tool-page-heading>p:last-child{font-size:12px}.tool-main .section-title :is(h1,h2){font-size:25px}.tool-main .reference-grid,.tool-main .role-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:420px){.topbar .direct-nav a{padding:0 4px;font-size:11px;gap:4px}.topbar .direct-nav .icon{width:12px;height:12px}.tool-main .reference-grid{grid-template-columns:1fr}.tool-main .savebar>.button-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.tool-main .savebar .button-row button{min-height:44px;padding:10px 12px;gap:7px;font-size:11px;white-space:nowrap}.tool-main .savebar .button-row .icon{display:block;width:14px;height:14px}}@media(max-width:360px){.topbar .direct-nav .icon{display:none}}@media(prefers-reduced-motion:reduce){.route-view:not([hidden]){animation:none}.topbar .direct-nav a:active,.page-button:active{transform:none!important}::view-transition-old(workspace),::view-transition-new(workspace){animation:none}}:root{--display-font: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", serif;--page-gutter: clamp(24px, 4.5vw, 76px);--pattern-opacity: .11}:root[data-theme=night]{--pattern-opacity: .065}.public-main{max-width:1600px;padding-inline:var(--page-gutter)}.site-layout:not(.with-sidebar){overflow-x:clip}.topbar{height:88px}.topbar[data-page=home] .prototype{display:none}.topbar .direct-nav{background:color-mix(in srgb,var(--surface) 44%,transparent)}.topbar .direct-nav a{font-size:12px}.topbar .direct-nav a .icon{opacity:.65;transition:opacity .16s}.topbar .direct-nav a[aria-current] .icon{opacity:1}.topbar-actions{margin-left:auto}@media(min-width:1101px){.topbar .direct-nav{position:absolute;left:50%;transform:translate(-50%)}}.landing-hero{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:clamp(30px,5vw,80px);padding:48px 0 60px}.landing-copy{padding-bottom:18px;min-width:0}.landing-copy .eyebrow{font-size:9px;letter-spacing:2.4px;gap:13px}.eyebrow-line{width:25px}.landing-copy h1{font-family:var(--display-font);font-size:clamp(64px,6.6vw,104px);font-weight:500;line-height:1.22;letter-spacing:-.075em;margin:29px 0 30px}.landing-copy h1 span{color:var(--accent)}.landing-copy>p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:2.1}.landing-copy>.project-lead{color:var(--ink)!important;font-size:14px!important;font-weight:550;letter-spacing:.3px;margin-bottom:15px}.hero-actions{display:flex;flex-wrap:wrap;gap:13px;align-items:center;margin-top:32px}.hero-actions .page-button{min-height:56px;padding:10px 11px 10px 24px;gap:23px;font-size:12px}.page-button.primary{box-shadow:inset 0 1px #fff3,0 3px 6px #69351d12,0 14px 24px -16px #6e2c1c70}.button-orb{display:grid;place-items:center;width:33px;height:33px;flex-shrink:0;border-radius:50%;background:#ffffff12;border:1px solid #ffffff22;transition:background-color .18s,transform .28s var(--spring)}.page-button.primary:hover .button-orb{background:#ffffff26}.page-button.primary:hover .button-orb .icon{transform:translate(2px)}.hero-actions .page-button.secondary{min-height:44px;padding:11px 9px;gap:12px;background:transparent;border-color:transparent;box-shadow:none;color:var(--muted)}.hero-actions .page-button.secondary:hover{color:var(--ink);background:var(--surface-soft)}.hero-footnote{display:flex;align-items:center;gap:14px;margin-top:48px}.hero-footnote p{color:var(--muted);font-size:10px;line-height:1.5}.hero-footnote small{display:block;margin-top:7px;font-size:8px;letter-spacing:1.6px;color:var(--subtle)}.hero-swatch-stack{display:flex;padding-left:4px}.hero-swatch-stack i{width:27px;height:27px;margin-left:-5px;border:3px solid var(--bg);border-radius:50%;background:#a43c32}.hero-swatch-stack i:nth-child(2){background:#30695f}.hero-swatch-stack i:nth-child(3){background:#c39d58}.hero-showcase{min-width:0}.showcase-picture{--portrait-ink: #564932;position:relative;isolation:isolate;overflow:hidden;height:clamp(460px,44vw,660px);color:var(--portrait-ink);border-radius:18px;border:1px solid #c5aa7466;background:#e9d8b5;box-shadow:inset 0 1px #fff8,0 4px 8px #5a422207,0 30px 55px -35px #5a42223d;transition:background-color .4s var(--ease),border-color .3s,color .3s}.showcase-picture:before{content:"";position:absolute;z-index:3;pointer-events:none;inset:12px;border:1px solid #94733d30;border-radius:8px}.showcase-picture:after{content:"";position:absolute;z-index:3;pointer-events:none;inset:0;opacity:0;background:radial-gradient(ellipse at var(--light-x,50%) var(--light-y,40%),#fff9e338,transparent 60%);transition:opacity .26s var(--ease)}.showcase-picture[data-floating=true]:after{opacity:1}.portrait-landscape{position:absolute;inset:-12px;background:url(./theatre-landscape-Bz71_HF5.webp) center bottom / cover no-repeat;transform:translateY(calc(var(--hero-scroll, 0) * 15px)) scale(1.035);transition:opacity .35s,filter .35s}.portrait-halo{position:absolute;z-index:1;width:72%;aspect-ratio:1;left:50%;top:47%;translate:-50% -50%;border:1px solid #fff2c98c;border-radius:50%;background:radial-gradient(circle at 40% 35%,#fffbeaaf,#fff5d95c 65%,#e9d4a725);box-shadow:0 0 55px #fff1c845,inset 0 0 45px #fff9df30}.portrait-halo:before{content:"";position:absolute;inset:9px;border:1px solid #9c7e3b16;border-radius:inherit}.portrait-glyph{position:absolute;z-index:1;right:9%;top:15%;color:currentColor;font:500 clamp(96px,10vw,155px)/1 var(--display-font);opacity:.07;pointer-events:none;animation:portrait-label .3s var(--ease)}.showcase-picture .preview-canvas{position:absolute;z-index:2;inset:28px 12px 90px;width:calc(100% - 24px);height:calc(100% - 118px);aspect-ratio:auto;border-radius:0;background:transparent;transform:perspective(1100px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));transition:transform .4s var(--spring)}.showcase-picture canvas{object-fit:contain;filter:drop-shadow(9px 15px 5px #63401f2a)}.portrait-seal{position:absolute;z-index:3;right:31px;bottom:26%;padding:7px 5px;font:14px/1.3 STKaiti,KaiTi,serif;letter-spacing:2px;color:#9b3b2f;border:1px solid currentColor;box-shadow:inset 0 0 0 2px #e9d8b5;background:#ecdab433;opacity:.8}.showcase-label{position:absolute;z-index:4;top:25px;left:29px;right:23px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.showcase-label>span{font-size:8px;letter-spacing:1.5px;font-weight:550}.showcase-label small{display:block;margin-top:9px;font-size:10px;letter-spacing:.6px;font-weight:400;opacity:.7}.icon-button{display:inline-grid;place-items:center;width:44px;height:44px;min-height:44px;flex-shrink:0;padding:0;border-radius:50%;background:color-mix(in srgb,var(--surface) 65%,transparent);box-shadow:inset 0 1px #fff4,0 2px 5px #3c2d1310}.showcase-picture .icon-button{color:var(--portrait-ink);border-color:#8d74412b;background:#fff7df59;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.showcase-picture .icon-button:hover{background:#fff9e8ab;color:var(--portrait-ink)}.showcase-vertical{position:absolute;z-index:3;writing-mode:vertical-rl;top:35%;left:27px;font-size:9px;letter-spacing:4px;opacity:.6}.showcase-meta{position:absolute;z-index:4;left:22px;right:22px;bottom:22px;padding:12px 17px;display:flex;align-items:flex-end;justify-content:space-between;border:1px solid #fff8;border-radius:9px;background:#fff5dc96;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);pointer-events:none}.showcase-meta>span:first-child{animation:portrait-label .26s var(--ease)}.showcase-meta strong{font:500 29px/1.3 var(--display-font);letter-spacing:3px}.showcase-meta small{display:block;margin-top:8px;font-size:8px;letter-spacing:1.2px;opacity:.7}.scene-count{font-size:28px;font-weight:350;letter-spacing:-1.3px;font-variant-numeric:tabular-nums}.scene-count>span{font-size:10px;letter-spacing:1px;opacity:.6}@keyframes portrait-label{0%{opacity:0;translate:0 4px}}.showcase-picture[data-scene=night],:root[data-theme=night] .showcase-picture{--portrait-ink: #e2d6b9;background:#203b36;border-color:#7f977950;box-shadow:inset 0 1px #ffffff13,0 24px 50px -32px #0008}.showcase-picture[data-scene=night] .portrait-landscape,:root[data-theme=night] .portrait-landscape{opacity:.24;mix-blend-mode:luminosity;filter:contrast(.85)}.showcase-picture[data-scene=night] .portrait-halo,:root[data-theme=night] .portrait-halo{border-color:#ead5a923;background:radial-gradient(circle at 40% 35%,#d4ce9c1c,#8ca38c0b 75%);box-shadow:inset 0 0 40px #e4dbac03,0 0 50px #9cb59c0a}.showcase-picture[data-scene=night] .portrait-halo:before,:root[data-theme=night] .portrait-halo:before{border-color:#ead5a917}.showcase-picture[data-scene=night]:before,:root[data-theme=night] .showcase-picture:before{border-color:#d9c38f22}.showcase-picture[data-scene=night] .portrait-seal,:root[data-theme=night] .portrait-seal{color:#e4b286;background:#1b382c20;box-shadow:none}.showcase-picture[data-scene=night] .icon-button,:root[data-theme=night] .showcase-picture .icon-button{background:#d5dec315;border-color:#d5dec325}.showcase-picture[data-scene=night] .icon-button:hover,:root[data-theme=night] .showcase-picture .icon-button:hover{background:#d5dec32a}.showcase-picture[data-scene=night] .showcase-meta,:root[data-theme=night] .showcase-meta{border-color:#e4d7a624;background:#17392eb3}.look-options{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;margin:15px 0 0;padding:5px;border:1px solid var(--line);border-radius:17px;background:color-mix(in srgb,var(--surface-soft) 70%,transparent)}.look-options:before{content:"";position:absolute;inset:5px auto 5px 5px;width:calc((100% - 10px)/3);background:var(--surface);border:1px solid color-mix(in srgb,var(--line) 80%,transparent);border-radius:12px;box-shadow:var(--shadow-sm);transition:transform .36s var(--spring),background-color .22s}.look-options[data-active="1"]:before{transform:translate(100%)}.look-options[data-active="2"]:before{transform:translate(200%)}.look-options button,.look-options button[aria-pressed],.look-options button:hover:not(:disabled){position:relative;min-height:60px;padding:9px 16px;justify-content:flex-start;gap:12px;border:0;border-radius:12px;background:transparent;box-shadow:none;color:var(--muted);transform:none}.look-options button[aria-pressed=true]{color:var(--ink)}.look-options button{transition:color .16s,scale .24s var(--spring)}.look-options button:active{scale:.97;transition-duration:90ms}.look-number{font-size:9px;font-weight:400;color:var(--subtle);font-variant-numeric:tabular-nums}.look-swatch{width:25px;height:25px;display:grid;place-items:center;flex-shrink:0;border-radius:50%;box-shadow:inset 0 1px #fff3,0 1px 2px #0002}.look-swatch i{width:10px;height:10px;border-radius:50%;border:1px solid #fff2}.look-title{font-size:12px;text-align:left;white-space:nowrap}.look-title small{display:block;margin-top:5px;font-size:9px;font-weight:400;color:var(--subtle)}.look-dot{display:none}.showcase-caption{display:flex;justify-content:space-between;gap:15px;padding-inline:3px;margin-top:15px;font-size:8px;color:var(--subtle);letter-spacing:.5px}.showcase-caption>span:last-child{display:flex;align-items:center;gap:7px}.chapter-divider{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}.chapter-divider>div{display:flex;gap:18px;align-items:center;font-size:10px}.chapter-divider i{height:3px;width:3px;border-radius:50%;background:var(--subtle);opacity:.6}.chapter-divider>span:last-child{display:flex;align-items:center;gap:15px;font-size:8px;letter-spacing:1.5px}.chapter-divider .icon{rotate:90deg}.chapter-number{font-size:10px;color:var(--accent);margin-right:7px;font-variant-numeric:tabular-nums}.project-introduction{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:90px;padding:100px 0 105px}.project-introduction h2{font:500 clamp(30px,3vw,44px)/1.6 var(--display-font);letter-spacing:-.06em;margin-top:24px}.project-introduction h2 span{color:var(--muted)}.project-introduction>div:last-child p{font-size:14px;color:var(--muted);line-height:2.1}.project-introduction .introduction-signature{color:var(--ink)!important;border-left:2px solid var(--accent);padding-left:16px;margin-top:24px;font-size:12px!important}.home-results{border-top:1px solid var(--line);padding-top:54px}.results-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:48px}.results-heading h2{font:500 clamp(34px,3.5vw,52px)/1.45 var(--display-font);letter-spacing:-.06em;margin-top:22px}.results-heading>p{color:var(--muted);font-size:12px;line-height:2;text-align:right;padding-bottom:4px}.results-grid{display:grid;gap:64px}.results-grid>article{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:clamp(35px,5vw,80px);min-width:0}.color-result-images{display:grid;grid-template-columns:1fr 1fr;aspect-ratio:1.42;overflow:hidden;background:#ecdfc2;border:1px solid #cfbc9480;border-radius:16px}.color-result-images figure{display:flex;flex-direction:column;min-width:0;padding:18px 12px 26px;background:radial-gradient(ellipse at top,#fff9e27a,transparent)}.color-result-images figure+figure{border-left:1px solid #78847519;background:radial-gradient(ellipse at top,#fbfdf788,transparent),#dbe2d9}.color-result-images .preview-canvas{flex:1;aspect-ratio:auto;background:transparent}.color-result-images canvas{object-fit:contain;transition:transform .5s var(--spring)}.color-result-images figcaption{display:flex;justify-content:center;align-items:center;gap:8px;font-size:10px;color:#625b4c}.color-result-images i{width:6px;height:6px;border-radius:50%}.result-description{padding-block:20px}.result-description>.section-index{font-size:9px;letter-spacing:1.7px}.result-description h3{font:500 clamp(27px,2.7vw,40px)/1.55 var(--display-font);letter-spacing:-.05em;margin:20px 0 18px}.result-description p{color:var(--muted);font-size:13px;line-height:2.1;max-width:380px}.result-description .text-link{justify-content:flex-start;margin-top:22px;padding-left:0;gap:16px;font-size:12px}.results-grid>.film-result{grid-template-columns:.75fr 1.25fr}.film-result .film-stage{order:2}.film-result .result-description{order:1}.film-stage{display:flex;flex-direction:column;min-width:0;aspect-ratio:1.5;padding:23px;border:1px solid #40534c;border-radius:16px;background:#1b302b;box-shadow:inset 0 1px #ffffff0b}.film-label{display:flex;align-items:center;gap:8px;color:#bdc9bd;font-size:9px;padding:0 0 16px}.film-stage video{width:100%;display:block;min-height:0;flex:1;border-radius:8px;object-fit:contain;background:#252b30}.project-origin{position:relative;isolation:isolate;display:grid;grid-template-columns:.94fr 1.06fr;gap:clamp(45px,7vw,110px);align-items:center;margin-top:100px;padding:78px 0;color:#f0e8d3}.project-origin:before{content:"";position:absolute;z-index:-2;top:0;bottom:0;left:50%;translate:-50% 0;width:100vw;background:#19372f;border-block:1px solid #c6b78d2d}.project-origin:after{content:"纹";position:absolute;z-index:-1;right:-1%;bottom:35px;font:500 330px/1 var(--display-font);color:#ddd2b9;opacity:.035;pointer-events:none}.project-origin>figure{display:grid;justify-items:center;padding:34px 26px 24px;border-radius:12px;border:1px solid #c8b88c85;background:#e8dec6;box-shadow:0 15px 35px -20px #0006}.project-origin img{width:100%;height:370px;object-fit:contain;mix-blend-mode:multiply}.project-origin figcaption{font-size:9px;color:#6b6657;line-height:1.9;text-align:center;margin-top:19px}.project-origin .eyebrow{color:#b9c5b5;font-size:9px}.project-origin .chapter-number{color:#d7b680}.project-origin h2{font:500 clamp(32px,3.4vw,49px)/1.5 var(--display-font);letter-spacing:-.04em;margin:26px 0 23px}.project-origin p:not(.eyebrow){font-size:13px;color:#bfccb9;max-width:430px;line-height:2.15}.origin-actions{display:flex;flex-wrap:wrap;gap:25px;margin-top:26px}.origin-actions .text-link{color:#e4c18e;padding:10px 0;gap:18px;font-size:12px}.origin-actions .text-link:hover{color:#f6dfb9}.landing-epilogue{position:relative;isolation:isolate;overflow:hidden;display:grid;justify-items:center;text-align:center;padding:92px 0 84px}.landing-epilogue .eyebrow{font-size:8px;letter-spacing:2.1px}.landing-epilogue h2{font:500 clamp(34px,3.8vw,55px)/1.55 var(--display-font);letter-spacing:-.05em;margin:25px 0 30px}.landing-epilogue .page-button{padding:10px 11px 10px 25px;gap:30px;font-size:12px;min-height:56px}.epilogue-wordmark{display:block;margin-top:62px;font:500 clamp(90px,16.5vw,240px)/.8 "Georgia",serif;letter-spacing:-.07em;color:var(--ink);opacity:.07;pointer-events:none}.reveal-section{transition:opacity .55s var(--ease),transform .55s var(--spring)}.reveal-section[data-reveal=waiting]{opacity:0;transform:translateY(15px)}.reveal-section[data-reveal=visible]{opacity:1;transform:none}.portrait-viewer{width:min(1040px,calc(100vw - 64px));max-width:none;max-height:94dvh;margin:auto;padding:0;border:1px solid var(--line);border-radius:24px;background:var(--surface);color:var(--ink);overflow:hidden;box-shadow:0 30px 100px #0005}.portrait-viewer[open]{animation:viewer-enter .28s var(--spring)}.portrait-viewer::backdrop{background:#11241cc4;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);animation:viewer-scrim .22s ease-out}.viewer-body{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:min(850px,90dvh);padding:18px 22px 22px}.viewer-body>header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 2px 14px}.viewer-body .eyebrow{font-size:9px}.viewer-index{padding-left:12px;color:var(--subtle);font-variant-numeric:tabular-nums}.viewer-stage{height:auto;border-radius:12px;box-shadow:none}.viewer-stage .preview-canvas{inset:0;width:100%;height:100%}.viewer-stage .portrait-halo{width:44%}.viewer-stage .portrait-glyph{right:15%;top:15%;font-size:145px}.viewer-stage .portrait-seal{right:12%;bottom:19%}.viewer-stage .icon-button{position:absolute;z-index:4;top:calc(50% - 22px)}.viewer-previous{left:20px}.viewer-next{right:20px}.viewer-footer{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:18px 4px 0}.viewer-footer h2{font-size:20px;font-weight:500;letter-spacing:.5px}.viewer-footer p{font-size:10px;color:var(--muted);margin-top:7px}.viewer-footer .look-options{margin:0;width:380px;box-shadow:none}.viewer-footer .look-number{display:none}@keyframes viewer-enter{0%{opacity:0;transform:translateY(7px) scale(.98)}}@keyframes viewer-scrim{0%{opacity:0}}.archive-viewer{width:min(1000px,calc(100vw - 48px));max-width:none;max-height:calc(100dvh - 40px);margin:auto;padding:22px;border-radius:24px;overflow:auto}.archive-viewer[open]{animation:viewer-enter .28s var(--spring)}.archive-viewer::backdrop{background:#11241cc4;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);animation:viewer-scrim .22s ease-out}.archive-viewer-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 3px 20px}.archive-viewer-heading>div{min-width:0}.archive-viewer-heading .eyebrow{font-size:8px;letter-spacing:1.6px;flex-wrap:wrap;gap:10px 20px}.archive-viewer-heading .eyebrow span{color:var(--subtle);font-variant-numeric:tabular-nums;letter-spacing:1px}.archive-viewer-heading h2{margin-top:12px;font:500 24px/1.4 var(--display-font);letter-spacing:-.03em}.archive-viewer-stage{position:relative;display:grid;place-items:center;height:min(56dvh,520px);overflow:hidden;border:1px solid var(--line);border-radius:12px;background:radial-gradient(ellipse at 50% 35%,#f7efd9,#e7ddc4)}.archive-viewer-stage>img{position:absolute;inset:16px 52px;display:block;width:calc(100% - 104px);height:calc(100% - 32px);object-fit:contain;transition:opacity .18s var(--ease)}.archive-viewer-stage>img[data-state=loading],.archive-viewer-stage>img[data-state=error]{opacity:0}.archive-viewer-stage .icon-button{position:absolute;z-index:2;top:calc(50% - 22px);background:#fff9e6d9;border-color:#bdab7f66;color:#64573e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.archive-previous{left:18px}.archive-next{right:18px}.archive-image-status{position:absolute;top:50%;left:50%;translate:-50% -50%;max-width:70%;color:#74694f;font-size:12px;text-align:center}.archive-viewer-detail{padding:18px 3px 0}.archive-viewer-detail>p{color:var(--muted);font-size:12px;line-height:1.9}.archive-viewer-detail>div{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:5px 24px;margin-top:9px}.archive-viewer-detail>div>span{color:var(--subtle);font-size:10px;line-height:1.7}.archive-viewer-detail .text-link{padding:8px 0;min-height:40px;font-size:11px;gap:13px}.archive-viewer-detail>small{display:block;font-size:9px;color:var(--subtle)}:root[data-theme=night] .archive-viewer-stage{border-color:#596652;background:radial-gradient(ellipse at 50% 35%,#e5dcc4,#cfc6af)}@media(max-width:600px){.archive-viewer{width:calc(100vw - 28px);max-height:calc(100dvh - 28px);padding:16px;border-radius:20px}.archive-viewer-heading{padding-bottom:16px;gap:12px}.archive-viewer-heading .eyebrow{font-size:7px;letter-spacing:1px}.archive-viewer-heading h2{font-size:19px;margin-top:10px}.archive-viewer-stage{height:48dvh;border-radius:9px}.archive-viewer-stage>img{inset:14px 36px;width:calc(100% - 72px);height:calc(100% - 28px)}.archive-previous{left:8px}.archive-next{right:8px}.archive-viewer-detail{padding-top:14px}.archive-viewer-detail>p{font-size:11px}.archive-viewer-detail>div{display:block}.archive-viewer-detail .text-link{min-height:44px;padding-block:10px}.archive-viewer-detail>div>span{font-size:9px}}.tool-page-heading h1,.tool-main .section-title :is(h1,h2){font-family:var(--display-font);font-weight:500;letter-spacing:-.05em}.app-sidebar{top:88px;height:calc(100dvh - 88px)}.tool-page-heading{margin-bottom:34px}.tool-page-heading .eyebrow{letter-spacing:2px;font-size:9px}.tool-main .workbench{box-shadow:0 8px 35px -25px #4d3e2333}.tool-main .design-preview{background:radial-gradient(ellipse at 50% 30%,color-mix(in srgb,var(--stage) 68%,var(--surface)),var(--surface-soft))}.tool-main .design-preview>.preview-canvas{border-radius:9px;box-shadow:0 2px 4px #3f2f170a,0 24px 42px -25px #3f2f1740}.tool-main .workspace-title h2{font-size:15px}.tool-main .workspace-title .section-index{font-size:10px}.tool-main .savebar{background:color-mix(in srgb,var(--surface) 86%,transparent)}.reference-card{border-radius:15px}.studio-editor,.video-result{border-radius:20px}.video-empty{position:relative;isolation:isolate;overflow:hidden;min-height:clamp(360px,28vw,460px)}.video-empty:before{content:"";position:absolute;z-index:-1;inset:0;pointer-events:none;background:url(./theatre-landscape-Bz71_HF5.webp) center bottom / cover no-repeat;opacity:.28;-webkit-mask-image:linear-gradient(transparent 10%,#000 95%);mask-image:linear-gradient(transparent 10%,#000 95%)}.video-empty>span{background:linear-gradient(150deg,#ffffff20,transparent 65%),var(--surface);box-shadow:inset 0 1px #ffffff35,0 3px 6px #5a422208,0 18px 30px -20px #5a42224d}.video-empty h3{font-family:var(--display-font);font-size:clamp(20px,1.65vw,25px);font-weight:500;letter-spacing:-.03em;line-height:1.6}.video-empty p{max-width:330px;line-height:2}:root[data-theme=night] .video-empty:before{opacity:.12;mix-blend-mode:luminosity}:root[data-theme=night] .video-empty>span{box-shadow:inset 0 1px #ffffff12,0 16px 30px -20px #0009}@media(hover:hover)and (pointer:fine){.topbar .direct-nav:has(a:hover):before{opacity:1}.topbar .direct-nav:has(a:nth-child(1):hover):before{transform:translate(0)}.topbar .direct-nav:has(a:nth-child(2):hover):before{transform:translate(100%)}.topbar .direct-nav:has(a:nth-child(3):hover):before{transform:translate(200%)}.topbar .direct-nav:has(a:nth-child(4):hover):before{transform:translate(300%)}.topbar .direct-nav a:hover{color:var(--ink)}.color-result-images:hover canvas{transform:translateY(-4px)}}@media(min-width:1600px){.landing-hero{padding-block:64px}}@media(max-width:1200px){.landing-hero{gap:35px}.landing-copy h1{font-size:clamp(58px,6.9vw,83px)}.hero-actions{gap:7px}.hero-actions .page-button{padding-left:20px;gap:18px}.hero-actions .page-button.secondary{padding-inline:4px;font-size:11px}.look-options button,.look-options button[aria-pressed]{padding-inline:12px;gap:10px}.look-number{display:none}.project-introduction{gap:55px}.project-introduction h2{font-size:35px}.results-grid>article{gap:42px}.result-description h3{font-size:31px}}@media(max-width:1000px){.landing-copy h1{font-size:62px}.landing-copy>p:not(.eyebrow){font-size:12px}.landing-copy>.project-lead{font-size:12px!important}.landing-copy .eyebrow{font-size:8px;letter-spacing:1.3px}.hero-actions{align-items:flex-start;flex-direction:column;margin-top:24px}.hero-actions .page-button{min-height:50px;font-size:11px}.hero-actions .page-button.secondary{min-height:40px;padding:10px 7px}.hero-footnote{margin-top:25px}.hero-footnote small{font-size:7px;letter-spacing:.8px}.showcase-picture{height:500px}.showcase-label{top:22px;left:24px;right:18px}.showcase-label>span{font-size:7px;letter-spacing:.9px}.showcase-label small{font-size:9px}.showcase-meta{left:26px;right:26px;bottom:26px}.showcase-meta strong{font-size:25px}.showcase-meta small{font-size:7px;letter-spacing:.7px}.showcase-vertical{left:22px;font-size:8px}.portrait-seal{right:24px}.showcase-caption>span:last-child{display:none}.showcase-caption{justify-content:center}.chapter-divider>div{display:none}.project-introduction{padding-block:72px;gap:35px}.project-introduction h2{font-size:30px}.project-introduction>div:last-child p{font-size:12px}.results-grid>article{gap:30px}.result-description h3{font-size:27px}.result-description p{font-size:12px}.film-stage{padding:17px}.film-label{font-size:8px;padding-bottom:12px}.project-origin{gap:45px}.project-origin h2{font-size:35px}.project-origin p:not(.eyebrow){font-size:12px}.project-origin img{height:320px}.origin-actions{gap:15px}.origin-actions .text-link{font-size:11px}}@media(max-width:760px){.topbar{height:auto}.landing-hero{grid-template-columns:.93fr 1.07fr;gap:25px;padding:36px 0 38px}.landing-copy{padding-bottom:0}.landing-copy h1{font-size:clamp(45px,7.3vw,57px);margin:22px 0 24px}.landing-copy .eyebrow{font-size:7px;letter-spacing:1px;gap:8px}.landing-copy>.project-lead{font-size:11px!important}.landing-copy>p:not(.eyebrow){font-size:11px}.hero-footnote p{font-size:9px}.hero-footnote small{display:none}.hero-swatch-stack i{width:22px;height:22px}.showcase-picture{height:420px;border-radius:14px}.showcase-label{left:20px;top:19px;right:15px}.showcase-label>span{font-size:6px;letter-spacing:.6px}.showcase-label small{font-size:8px;margin-top:7px}.showcase-meta{left:18px;right:18px;bottom:18px;padding:11px 14px}.showcase-meta strong,.scene-count{font-size:23px}.scene-count>span{font-size:8px}.showcase-vertical{left:20px;font-size:7px;letter-spacing:3px}.portrait-seal{right:22px;padding:5px 3px;font-size:11px}.showcase-picture .preview-canvas{inset:28px 0 90px;width:100%;height:calc(100% - 118px)}.look-options{margin-top:12px}.look-options button,.look-options button[aria-pressed]{padding:8px;gap:8px;min-height:52px;justify-content:center}.look-swatch{width:20px;height:20px}.look-swatch i{width:8px;height:8px}.look-title{font-size:11px}.look-title small{font-size:8px;margin-top:4px}.showcase-caption{margin-top:12px}.chapter-divider{padding-block:22px;font-size:10px}.chapter-divider>span:last-child{font-size:7px;letter-spacing:.8px;gap:10px}.project-introduction{grid-template-columns:1fr;gap:28px;padding-block:53px}.project-introduction h2{font-size:33px;margin-top:19px}.project-introduction>div:last-child p{font-size:13px}.project-introduction .introduction-signature{margin-top:20px}.home-results{padding-top:40px}.results-heading{margin-bottom:32px}.results-heading h2{font-size:34px}.results-heading>p{font-size:10px}.results-grid{gap:42px}.results-grid>article,.results-grid>.film-result{grid-template-columns:1fr;gap:0}.result-description{padding:23px 2px 0}.result-description h3{font-size:29px;margin:13px 0}.result-description p{font-size:13px;max-width:100%}.result-description .text-link{margin-top:12px}.film-result .film-stage,.film-result .result-description{order:initial}.color-result-images{aspect-ratio:1.55}.film-stage{aspect-ratio:1.6;padding:20px}.project-origin{grid-template-columns:.9fr 1.1fr;gap:32px;margin-top:58px;padding-block:48px}.project-origin>figure{padding:24px 18px 18px}.project-origin img{height:300px}.project-origin figcaption{font-size:8px}.project-origin h2{font-size:29px;margin:20px 0 18px}.project-origin p:not(.eyebrow){font-size:11px}.project-origin .eyebrow{font-size:7px;letter-spacing:1px}.origin-actions{margin-top:17px;gap:3px}.origin-actions .text-link{font-size:11px;padding-block:8px}.landing-epilogue{padding:60px 0 50px}.landing-epilogue h2{font-size:35px}.epilogue-wordmark{margin-top:55px}.portrait-viewer{width:calc(100vw - 32px);border-radius:20px}.viewer-body{padding:12px 14px 16px}.viewer-footer .look-options{width:290px}.viewer-footer h2{font-size:17px}.viewer-stage{height:auto}.viewer-stage .preview-canvas{inset:0;height:100%}.viewer-stage .portrait-halo{width:62%}}@media(max-width:600px){:root{--page-gutter: 22px}.landing-hero{grid-template-columns:1fr;gap:31px;padding-top:29px}.landing-copy h1{font-size:clamp(55px,12vw,72px);margin:20px 0 21px;line-height:1.18}.landing-copy .eyebrow{font-size:8px;letter-spacing:1.5px}.landing-copy>.project-lead{font-size:12px!important}.landing-copy>p:not(.eyebrow){font-size:12px}.hero-actions{flex-direction:row;align-items:center;margin-top:24px;gap:12px}.hero-actions .page-button{font-size:12px;min-height:52px;padding-left:21px}.hero-actions .page-button.secondary{padding-inline:5px;font-size:11px}.hero-footnote{display:none}.showcase-picture{height:clamp(370px,100vw,520px)}.showcase-label{top:21px;left:25px;right:19px}.showcase-label>span{font-size:8px;letter-spacing:1.1px}.showcase-label small{font-size:9px}.showcase-picture .preview-canvas{inset:22px 0 90px;height:calc(100% - 112px)}.showcase-vertical{left:24px;font-size:8px}.portrait-glyph{font-size:100px}.showcase-meta{left:18px;right:18px;bottom:18px}.showcase-meta strong{font-size:24px}.showcase-meta small{font-size:7px}.portrait-seal{right:25px;font-size:12px}.look-options button,.look-options button[aria-pressed]{min-height:57px;gap:12px}.look-swatch{width:25px;height:25px}.look-swatch i{width:10px;height:10px}.look-title{font-size:12px}.look-title small{font-size:9px}.showcase-caption{font-size:8px;margin-top:14px}.chapter-divider{font-size:9px}.chapter-divider>span:last-child{font-size:6px;letter-spacing:1px}.project-introduction{padding-block:43px}.project-introduction h2{font-size:29px}.project-introduction .eyebrow,.results-heading .eyebrow{font-size:8px;letter-spacing:1.5px}.project-introduction>div:last-child p{font-size:12px}.project-introduction .introduction-signature{font-size:11px!important}.home-results{padding-top:34px}.results-heading{display:block}.results-heading h2{font-size:31px;margin-top:18px}.results-heading>p{margin-top:16px;text-align:left;font-size:11px}.color-result-images{aspect-ratio:1.18}.color-result-images figure{padding:12px 7px 20px}.color-result-images figcaption{font-size:9px}.result-description h3{font-size:27px}.result-description p{font-size:12px}.film-stage{padding:17px;aspect-ratio:1.35}.film-label{font-size:8px}.project-origin{grid-template-columns:1fr;gap:33px;padding-block:42px}.project-origin>figure{padding:27px 20px 21px}.project-origin img{height:320px}.project-origin h2{font-size:35px}.project-origin p:not(.eyebrow){font-size:12px}.project-origin .eyebrow{font-size:8px}.origin-actions{gap:24px;margin-top:20px}.landing-epilogue{padding-block:56px 43px}.landing-epilogue h2{font-size:32px}.landing-epilogue .eyebrow{font-size:7px;letter-spacing:1.5px}.epilogue-wordmark{font-size:22vw}.viewer-body{height:88dvh}.viewer-body .eyebrow{font-size:8px;letter-spacing:1px}.viewer-index{padding-left:3px}.viewer-stage{height:auto}.viewer-stage .preview-canvas{inset:0;height:100%;width:100%}.viewer-stage .portrait-glyph{right:15%;top:12%;font-size:95px}.viewer-stage .portrait-halo{width:85%}.viewer-stage .portrait-seal{right:10%;bottom:13%;font-size:10px}.viewer-previous{left:10px}.viewer-next{right:10px}.viewer-footer{display:block;padding-top:16px}.viewer-footer>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:12px}.viewer-footer h2{font-size:16px}.viewer-footer p{font-size:9px;margin:0;text-align:right;max-width:125px;line-height:1.6}.viewer-footer .look-options{width:100%;margin-top:15px}}@media(max-width:360px){:root{--page-gutter: 18px}.landing-copy h1{font-size:53px}.hero-actions{gap:5px}.hero-actions .page-button{font-size:11px;gap:15px;padding-left:18px}.hero-actions .page-button.secondary{font-size:10px;gap:6px;padding-inline:3px}.button-orb{width:29px;height:29px}.showcase-picture{height:350px}.showcase-label>span{font-size:7px}.showcase-label small{font-size:8px}.look-options button,.look-options button[aria-pressed]{padding-inline:6px;gap:9px}.look-swatch{width:20px;height:20px}.look-swatch i{width:8px;height:8px}.look-title{font-size:11px}.look-title small{font-size:8px}.chapter-divider>span:last-child{letter-spacing:.2px;font-size:6px}.project-introduction h2{font-size:26px}.results-heading h2{font-size:29px}.project-origin h2{font-size:31px}.project-origin img{height:270px}.origin-actions{gap:16px}.landing-epilogue h2{font-size:29px}.viewer-stage{height:auto}}@media(prefers-reduced-motion:reduce){.portrait-landscape{transform:none}.showcase-picture .preview-canvas,.color-result-images:hover canvas{transform:none!important}.look-options button:active{scale:none}.reveal-section[data-reveal]{opacity:1;transform:none}}@font-face{font-family:Yingou Brush;src:url(./yingou-brush-VpqUWnnX.woff2) format("woff2");font-style:normal;font-weight:400;font-display:swap}@font-face{font-family:"Yingou Serif";src:url(./yingou-serif-Br0tA36O.woff2) format("woff2");font-style:normal;font-weight:200 900;font-display:swap}@font-face{font-family:Yingou Sans;src:url(./yingou-sans-_nBuZaA6.woff2) format("woff2");font-style:normal;font-weight:100 900;font-display:swap}:root{--brush-font: "Yingou Brush", "STKaiti", "KaiTi", serif;--display-font: "Yingou Serif", "Noto Serif SC", "Songti SC", "SimSun", serif;--body-font: "Yingou Sans", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;font-family:var(--body-font)}.landing-copy h1{font-family:var(--brush-font);font-weight:400;letter-spacing:-.035em;line-height:1.16}.landing-epilogue h2{font-family:var(--brush-font);font-weight:400;letter-spacing:-.02em;line-height:1.45}.brand>span:last-child{font-family:var(--display-font);font-weight:700;letter-spacing:.06em}.brand small{font-family:var(--body-font)}.seal,.video-empty>span,.portrait-glyph{font-family:var(--brush-font);font-weight:400}.reference-card h3,.design-caption strong,.viewer-footer h2,.confirm-dialog h2,.learning-welcome h2{font-family:var(--display-font);font-weight:600}.studio-editor textarea{line-height:1.9}:root{--theme-ease: cubic-bezier(.4, 0, .2, 1)}.theme-toggle{transition:transform .26s var(--spring),color .4s var(--theme-ease)}.theme-orbit{transition:background-color .4s var(--theme-ease),border-color .4s var(--theme-ease)}.theme-orbit:before{transition:transform .48s var(--spring),background-color .4s var(--theme-ease),box-shadow .4s var(--theme-ease)}.theme-orbit .icon{transition:color .4s var(--theme-ease)}:root[data-theme-changing] :not(.theme-toggle,.theme-toggle *),:root[data-theme-changing] :not(.theme-toggle,.theme-toggle *):before,:root[data-theme-changing] :not(.theme-toggle,.theme-toggle *):after{transition-property:transform,translate,scale!important}:root[data-theme-changing] .site-layout>main{view-transition-name:none}:root[data-theme-changing=running]{view-transition-name:none}:root[data-theme-changing] .theme-toggle{view-transition-name:theme-switch}:root[data-theme-changing=running] .theme-toggle{view-transition-name:none}:root[data-theme-changing]::view-transition-group(root),:root[data-theme-changing]::view-transition-group(theme-switch){animation:none}:root[data-theme-changing]::view-transition-old(theme-switch){animation:none;opacity:0}.theme-fragment-defs{position:fixed;width:0;height:0;pointer-events:none}:root[data-theme-changing]::view-transition-old(root){animation:theme-fragment-hold var(--theme-duration) linear both;mix-blend-mode:normal;-webkit-mask-image:var(--theme-fragment-mask);mask-image:var(--theme-fragment-mask);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;mask-mode:alpha}@keyframes theme-fragment-hold{0%,to{opacity:1}}@media(prefers-reduced-motion:reduce){.theme-toggle,.theme-orbit,.theme-orbit:before,.theme-orbit .icon{transition:none}}.skip-link{position:fixed;z-index:100;top:16px;left:24px;display:inline-flex;align-items:center;gap:16px;padding:13px 20px;border:1px solid var(--accent);border-radius:12px;background:var(--surface);color:var(--ink);font-size:13px;box-shadow:var(--shadow);transform:translateY(-160%)}.skip-link:focus-visible{transform:none}main:focus{outline:none}.savebar .draft-label{display:flex;flex-direction:column;gap:3px}.draft-state{font-size:9px;font-weight:400;line-height:1.5;color:var(--subtle)}.draft-state[data-state=saved]{color:var(--green)}.draft-state[data-state=changed]{color:var(--accent)}.savebar input:disabled{color:var(--muted);opacity:.75;cursor:not-allowed}.field-heading{display:flex;justify-content:space-between;align-items:baseline;gap:14px}.field-heading small{font-size:10px;font-weight:400;color:var(--subtle);font-variant-numeric:tabular-nums;white-space:nowrap}.field-heading small[data-near-limit=true]{color:var(--accent)}.inline-spinner{flex:0 0 auto;width:16px;height:16px;border:1.5px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .75s linear infinite}.export-design{min-width:145px}button[aria-disabled=true]{opacity:.55;cursor:progress;box-shadow:none}.showcase-open,.showcase-open:hover:not(:disabled),.showcase-open:active:not(:disabled){position:absolute;z-index:5;inset:0;width:100%;height:100%;padding:0;border:0;border-radius:inherit;background:transparent;box-shadow:none;transform:none;cursor:zoom-in}.showcase-open:focus-visible{outline-offset:-6px}@media(max-width:760px){.export-design{min-width:134px}}@media(max-width:600px){.archive-viewer-heading{position:sticky;top:0;z-index:4;background:var(--surface)}.archive-viewer-detail>div{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.archive-viewer-detail>div>span{font-size:10px;line-height:1.8}}